TypeScript: Releases, patches & end-of-life
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Lifecycle guide for TypeScript from Microsoft

All releases, patches, maintenance and support periods at a glance

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📅 Last update on 2026-03-09

What is TypeScript?

Automate product release and end-of-life managementTypeScript is a programming language developed and maintained by Microsoft. It is a strict syntactical superset of JavaScript and adds optional static typing to the language. It is designed for the development of large applications and transpiles to JavaScript.[4] As it is a superset of JavaScript, existing JavaScript programs are also valid TypeScript programs.
 

The entire lifecycle of TypeScript

The following figure shows you the visualised product life cycle of TypeScript. You can see all releases with the latest patch version, the long-term support characteristics (orange flag in the green circle, the periods for version provision, maintenance and support.
TypeScript (Microsoft) release, version and end-of-life information
XTypeScript (Microsoft) release, version and end-of-life information
Figure: Release, patch and end-of-life cycle of product TypeScript (Microsoft)
 

Facts and figures about TypeScript

Product
TypeScript
Vendor
Microsoft
Latest version
5.9.3
Number of releases
6
Number of versions
233
Number of unstable versions
70
Number of versions affected by CVE
0
Licence
Apache License 2.0
Licence details
https://en.wikipedia.org/wiki/Apache_License#Apache_License_2.0
Wikipedia
https://en.wikipedia.org/wiki/TypeScript
 
 

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Lukas Böttcher
Lukas Böttcher
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